323211023321357 has 2 divisors, whose sum is σ = 323211023321358. Its totient is φ = 323211023321356.

The previous prime is 323211023321279. The next prime is 323211023321369. The reversal of 323211023321357 is 753123320112323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208436526403561 + 114774496917796 = 14437331^2 + 10713286^2 .

It is a cyclic number.

It is not a de Polignac number, because 323211023321357 - 2¹⁰ = 323211023320333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323211023321357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323211023321057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605511660678 + 161605511660679.

It is an arithmetic number, because the mean of its divisors is an integer number (161605511660679).

Almost surely, 2^{323211023321357} is an apocalyptic number.

It is an amenable number.

323211023321357 is a deficient number, since it is larger than the sum of its proper divisors (1).

323211023321357 is an equidigital number, since it uses as much as digits as its factorization.

323211023321357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 323211023321357 in words is "three hundred twenty-three trillion, two hundred eleven billion, twenty-three million, three hundred twenty-one thousand, three hundred fifty-seven".